Z score

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Related to Z-score: T-score, Altman Z-Score

Z score

n. Statistics
A measure of the distance in units of standard deviations of a particular value in a distribution or a set of data from the mean of that distribution or set of data.
References in periodicals archive ?
The WRMT was implemented the same across grade-levels, however, we chose to use the z-score instead of summed total scores because the regression-based factor score is weighted by the regression coefficients based on matrices of the observed variables and their factor loadings while summed scores treat all items as equal.
BMI was expressed as a sex- and age-specific z-score using the World Health Organization (WHO) Growth Standards 2007 (de Onis et al.
To find the range, an appraiser could refer to a z-score table from a basic statistics book or use Excel.
The FAO reports that in Ghana, 22% of children under five years of age are stunted indicating chronic malnutrition ('height-for-age' z-score < -2) and five percent are wasted, indicating acute malnutrition ('weight-for-height' (BMI) for age z-score < -2) [15].
By using a high Z-score threshold we ascertained that only pairs of sites that have significant change in [Q.
We also use Altman's Z-score (Altman, 1968) and interest coverage ratio (Asquith, Gertner, and Scharfstein, 1994) as two alternative measures of credit condition.
Binkley, codirector of the Osteoporosis Clinical Center & Research Program at the University of Wisconsin, Madison, and past president of the International Society for Clinical Densitometry, expressed concern over applying z-score principles to the vitamin D field.
Binkley expressed concern over applying Z-score principles to the vitamin D field.
Z-score calculated shows where in the data the high or low values are clustered.